Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 rely on unintended expiration dates for Preloaded Public Key Pinning, which allows man-in-the-middle attackers to spoof add-on updates by leveraging possession of an X.509 server certificate for addons.mozilla.org signed by an arbitrary built-in Certification Authority.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2016-09-22T22:00:00

Updated: 2024-08-06T00:53:48.947Z

Reserved: 2016-06-03T00:00:00

Link: CVE-2016-5284

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2016-09-22T22:59:18.973

Modified: 2018-10-30T16:27:02.717

Link: CVE-2016-5284

cve-icon Redhat

Severity : Important

Publid Date: 2016-09-20T00:00:00Z

Links: CVE-2016-5284 - Bugzilla